Plumbing fitting



FIG. 1 is a top front perspective view of the plumbing fitting showing my new design.

FIG. 2 is a top right perspective view thereof.

FIG. 3 is a bottom front perspective view thereof.

FIG. 4 is a bottom right perspective view thereof.

FIG. 5 is a right side view thereof, a left side view being a mirror image thereof.

FIG. 6 is a front view thereof, a back view being a mirror image thereof.

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The dashed broken lines depict portions of the plumbing fitting that form no part of the claim. 

CLAIM The ornamental design for a plumbing fitting, as shown and described. 